algorithm.dk
📜 Historical scan 2026-06-16 12:57:38  ·  ← Latest scan
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers3 records   147ms
NameserverIP addressesPTRASN / ISP
ns1.dreamhost.com — — —
ns2.dreamhost.com — — —
ns3.dreamhost.com — — —
🌍 A Records1 records   160ms
IPTTLPTRASNISP / OrgCIDRCountryCity
173.236.245.199 — apache2-xenon.iad1-shared-b8-21.dreamhost.com AS26347 New Dream Network, LLC 173.236.128.0/17 🇺🇸 United States —
📧 MX Records
📧
No MX records found
🔷 AAAA Records (IPv6)
✗ No AAAA records — IPv6 not configured
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
📝 TXT Records
📝
No TXT records found
✉️ SPF
✗ No SPF record — mail spoofing not restricted
📨 DMARC
✗ No DMARC record — mail spoofing not restricted
📬 MTA-STS
✗ No MTA-STS policy — SMTP TLS not enforced
📈 TLSRPT
✗ No TLSRPT record — no SMTP TLS failure reporting
📜 CAA Records
✗ No CAA records — any CA may issue certificates
🔗 TLSA / DANE
✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)
🔐 DNSSEC278ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer
🏷️ SOA172ms
FieldValue
Serial2024041000
Primary NS (MNAME)ns1.dreamhost.com
Responsible (RNAME)hostmaster@dreamhost.com
Refresh18960s
Retry600s
Expire1814400s
Minimum (neg-cache TTL)300s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
147ms
A
160ms
MX
236ms
AAAA
169ms
TXT
622ms
CAA
160ms
HTTPS
147ms
TLSA
298ms
SOA
172ms
MTA-STS
270ms
DNSSEC
278ms
SRV
0ms
Total
1600ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-07-02 22:55:18 9599ms 3 NS 1 A 0 MX 🔓 Insecure View
2026-06-27 14:30:58 2632ms 3 NS 1 A 0 MX 🔓 Insecure View
2026-06-20 04:59:48 2721ms 3 NS 1 A 0 MX 🔓 Insecure View
2026-06-16 12:57:38 1600ms 3 NS 1 A 0 MX 🔓 Insecure View
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